Biofuels Still Have to Solve Economic Conundrum
Environmental benefit proven in principle but difficult to estimate over a life cycle.
Each week an Air France Airbus A320 providing regular service between Toulouse and Paris, France, flies with a mixture of 10 percent biofuel.
Each week an Air France Airbus A320 providing regular service between Toulouse and Paris, France, flies with a mixture of 10 percent biofuel.